19637670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1237

約数の個数: 64

約数和(自身を含む): 51980544

約数和(自身を除く): 32342874

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1171, 1290, 1677, 2342, 2795, 3354, 3513, 5590, 5855, 7026, 8385, 11710, 15223, 16770, 17565, 30446, 35130, 45669, 50353, 76115, 91338, 100706, 151059, 152230, 228345, 251765, 302118, 456690, 503530, 654589, 755295, 1309178, 1510590, 1963767, 3272945, 3927534, 6545890, 9818835, 19637670]

約数ペア:

[(1, 19637670), (2, 9818835), (3, 6545890), (5, 3927534), (6, 3272945), (10, 1963767), (13, 1510590), (15, 1309178), (26, 755295), (30, 654589), (39, 503530), (43, 456690), (65, 302118), (78, 251765), (86, 228345), (129, 152230), (130, 151059), (195, 100706), (215, 91338), (258, 76115), (390, 50353), (430, 45669), (559, 35130), (645, 30446), (1118, 17565), (1171, 16770), (1290, 15223), (1677, 11710), (2342, 8385), (2795, 7026), (3354, 5855), (3513, 5590)]